A fundamental premise in cancer therapy is trying to identify how the metabolism of cancer cells differs from normal tissue. When differences are identified, it often paves the way for treatments that will disrupt the cancer's metabolism while sparing normal tissue.

The human brain is at particularly high risk for damage by free radicals because of its high degree of metabolism compared to other tissues, while lacking the levels of antioxidant protection found elsewhere in the body.

So-called 'complex carbs' may actually represent a more significant threat to health than simple sugar in that they may not only raise blood sugar, but keep it elevated for a more prolonged period of time.

The bottom line is that this author, a practicing neurologist dealing with Alzheimer's disease on a daily basis, believes we need to expand the public awareness that modifiable lifestyle factors have a profound role to play in determining who will or won't get this disease.

As a practicing neurologist, I place central importance in applying current science to the notion of disease prevention.